// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package protosource

import "fmt"

type reservedName struct {
	locationDescriptor

	value string
}

func newReservedName(
	locationDescriptor locationDescriptor,
	value string,
) (*reservedName, error) {
	if value == "" {
		return nil, fmt.Errorf("no value for reserved name in %q", locationDescriptor.File().Path())
	}
	return &reservedName{
		locationDescriptor: locationDescriptor,
		value:              value,
	}, nil
}

func (r *reservedName) Value() string {
	return r.value
}
